<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	//private $_id;
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		// $users=array(
		// 	// username => password
		// 	'demo'=>'demo',
		// 	'admin'=>'admin',
		// );
		$user = Users::model()->findByAttributes(array('UserName' => $this->username
                                                    ));
		if($user===null)
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		else if(!$user->validatePassword($this->password))
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
		{
			//$this->_id=$user->id;
			$this->username=$user->UserName;
			$this->errorCode=self::ERROR_NONE;
			Yii::app()->session['LOGGED_USER'] = $user;
		}
		return $this->errorCode==self::ERROR_NONE;
		// if(!isset($users[$this->username]))
		// 	$this->errorCode=self::ERROR_USERNAME_INVALID;
		// elseif($users[$this->username]!==$this->password)
		// 	$this->errorCode=self::ERROR_PASSWORD_INVALID;
		// else
		// 	$this->errorCode=self::ERROR_NONE;
		// return !$this->errorCode;
	}
}